Display screen or portion thereof with icon



FIG. 1 is the Front View of a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is the Front View of a second embodiment thereof.

The dot-dash broken lines in FIGS. 1 and 2 showing portions of the display screen define the bounds of the claimed design and form no part thereof. The dash-dash broken lines in FIG. 2 showing portions of the user interface are for environmental purposes only and form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with icon, as shown and described. 